Commodities
PrimarySilver
Commodity typeM
Deposit
Model82: Epithermal veins
Deposit sizeN
Ore controlAt Or Near Trachyte Dike And Silica Pipe
Materials
Ore mineralsGalena, Sphalerite
GanguePyrite, Quartz
Geology
Host rockTrachyandesite
Associated rockTrachyandesite · Bunker Trachyandesite;Trachyte Of Game Ridge
StructureRosita Caldera And Cauldron, Trachyte Dike; Along Area Of Caldera Subsidence
Tectonic settingWet Mountains
AlterationStrong Argillization, With Outcrops Of Comparatively Fresh Rock
Economic & production
Development statusProspect
Discovery year1882
Identification
Deposit ID10012172
MRDS IDD007639
RegionNA
Data scoreB
Coordinates38.12307, -105.34307
References
CROSS, WHITMAN, 1896, GEOLOGY OF SILVER CLIFF AND THE ROSITA HILLS, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 263-403.EMMONS, S.F., 1896, THE MINES OF CUSTER COUNTY, COLORADO: USGS 17TH ANN. REPORT, PT 2, P. 405-472.SHARP, W.M., 1978, GEOLOGIC MAP OF THE SILVER CLIFF AND ROSITA VOLCANIC CENTERS, CUSTER COUNTY, COLORADO: USGS MAPS I-1081.